HomeASN LookupAS42184

AS42184 AS-TKRZ TKRZ Stadtwerke GmbH

🇩🇪

Org handle: ORG-JSG1-RIPE

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
14total
13 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)18,688
Announced (BGP)18,688
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Prefix Limit (IPv4)
50
Prefix Limit (IPv6)
5
Country
🇩🇪 DE
RIR
RIPE NCC
Status
allocated
Allocated
2007-01-10

Routing hygiene

Score 4/100 · Low risk
RPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 65/100
  • All announced prefixes have a valid ROA and a matching IRR route object

Based on 14 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)14
|
Prefix
RPKI
IRR
Last Seen
45.82.124.0/22
 Valid
RIPE
2026-10-26
88.218.84.0/22
 Valid
RIPE
2026-10-26
89.251.128.0/20
 Valid
RIPE
2026-10-26
91.190.224.0/21
 Valid
RIPE
2026-10-26
178.251.8.0/21
 Valid
RIPE
2026-10-26
185.64.168.0/22
 Valid
RIPE
2026-10-26
185.72.200.0/22
 Valid
RIPE
2026-10-26
185.124.232.0/22
 Valid
RIPE
2026-10-26
185.143.168.0/22
 Valid
RIPE
2026-10-26
185.153.140.0/22
 Valid
RIPE
2026-10-26
1-10 of 14
1 / 2

Allocated Prefixes

(RIR)14
Prefix
Country
RIR
Status
45.82.124.0/22🇩🇪 DERIPENCCallocated
88.218.84.0/22🇩🇪 DERIPENCCallocated
89.251.128.0/20🇩🇪 DERIPENCCallocated
91.190.224.0/21🇩🇪 DERIPENCCallocated
178.251.8.0/21🇩🇪 DERIPENCCallocated
185.64.168.0/22🇩🇪 DERIPENCCallocated
185.72.200.0/22🇩🇪 DERIPENCCallocated
185.124.232.0/22🇩🇪 DERIPENCCallocated
185.143.168.0/22🇩🇪 DERIPENCCallocated
185.153.140.0/22🇩🇪 DERIPENCCallocated
1-10 of 14
1 / 2

All 14 announced prefixes of AS42184 →

Upstream Providers(7)

ASNName
AS174🇺🇸COGENT-174 - Cogent Communications, LLC
AS1299🇸🇪TWELVE99 Arelion Sweden AB
AS3257🇺🇸GTT-BACKBONE GTT Communications Inc.
AS3320🇩🇪DTAG Deutsche Telekom AG
AS3356🇺🇸LEVEL3 - Level 3 Parent, LLC
AS33891🇩🇪CORE-BACKBONE Core-Backbone GmbH
AS55002🇺🇸DEFENSE-NET - F5, Inc.

Downstream Customers(7)

ASNName
AS8454🇩🇪FMO FMO Flughafen Muenster/Osnabrueck GmbH
AS43397🇩🇪ITEMS items management GmbH trading as 'items GmbH & Co. KG'
AS49552🇩🇪OST-SPE OpenSource Training Ralf Spenneberg
AS196731🇩🇪egeplast egeplast international GmbH
AS196932🇩🇪RHEINET RheiNet GmbH
AS210035🇩🇪Stiftung_Mathias-Spital_Rheine Stiftung Mathias-Spital Rheine
AS215756🇩🇪SCHMITZWERKE C. H. Schmitz Beteiligungsgesellschaft mbH trading as Schmitz-Werke GmbH & Co. KG

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS42184 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS3356Level 3 Parent6
  • AS174Cogent Communications4
  • AS33891CORE BACKBONE Core Backbone2
  • AS1299TWELVE99 Arelion Sweden AB1
  • AS6939Hurricane Electric1

Downstreams (11)

Networks whose own prefixes AS42184 passes on: usually its customers.

  • AS57137Sievers Snc SIEVERS SNC Beteiligungs3
  • AS8454FMO Flughafen Muenster/Osnabrueck2
  • AS43397ITEMS Management Trading 'Items & . KG'2
  • AS49552OST SPE OpenSource Training Ralf Spenneberg2
  • AS196932RHEINET2
  • AS197759XENODE Enapter2
  • AS204702DWTS Deutsche Windtechnik & . KG2
  • AS210035Stiftung Mathias Spital Rheine Stiftung Mathias Spital Rheine2
  • AS215756SCHMITZWERKE C. H. Schmitz Beteiligungsgesellschaft MbH Trading Schmitz Werke & . KG2
  • AS48352LISAG LIS Logistische Informationssysteme1
  • AS204989Rdt Rekers Digitaltechnik Beteiligungsgesellschaft MbH Trading Rekers Digitaltechnik & .KG1

Other adjacent networks (2)

Adjacent to AS42184 in the transit part of AS paths: peers, providers or customers.

ASPA
Published7 upstreams, 7 downstreams
Authorized Upstream Providers
AS174AS1299AS3257AS3320AS3356AS33891AS55002
Expires 2026-10-27
Listed as Upstream Provider by
7 ASNs
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/42184

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/42184" | jq